MONTANA

PHILLIPS COUNTY

ABOUT 17 MILES NORTH OF MALTA

NATE’S HADROSAUR SITE

MOR LOCALITY JR-224

LOWER JUDITH RIVER FORMATION
NOTE: EQUIVALENT TO THE OLDMAN FORMATION, MIDDLE JUDITH RIVER GROUP

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: MAIASAURINI nova

Brachylophosaurus canadensis
= Brachylophosaurus goodwini

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MONTANA

PHILLIPS COUNTY

ABOUT 17 MILES NORTH OF MALTA

MOR LOCALITY JR-168

LOWER JUDITH RIVER FORMATION
NOTE: EQUIVALENT TO THE OLDMAN FORMATION, MIDDLE JUDITH RIVER GROUP

JUDITHAN AGE

MIDDLE CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: HADROSAURINAE Cope, 1869 (sensu Lambe, 1918)

Tribe: MAIASAURINI nova

Brachylophosaurus canadensis
= Brachylophosaurus goodwini

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MONTANA

PHILLIPS COUNTY

JUDITH RIVER FORMATION

JUDITHIAN AGE

CAMPANIAN STAGE

SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: HYPSILOPHODONTIA COOPER, 1983

Family: HYPSILOPHODONTIDAE Dollo, 1882

Subfamily: ZEPHYROSAURINAE

Orodromeus makelai

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MONTANA

PHILLIPS COUNTY

NEAR MALTA

JUDITH RIVER GROUP

JUDITHIAN AGE

CAMPANIAN STAGE

MIDDLE SENONIAN SUBEPOCH

UPPER GULF EPOCH

LATE CRETACEOUS

STEM: TETRAPODA GOODRICH, 1930

SUPERCLASS: AMNIOTA HAECKEL, 1866

CLASS: REPTILIA LAURENTI, 1768

SUBCLASS: DIAPSIDA OSBORN, 1904

SUPERLEGION: NEODIAPSIDA BENTON, 1985

LEGION: ARCHOSAUROMORPHA HUENE, 1946

SUBLEGION: DINOSAUROMORPHA BENTON & NORMAN IN BENTON, 1985

INFRALEGION: DINOSAURIFORMES NOVAS, 1992

SUPERCOHORT: DINOSAURIA OWEN, 1842

COHORT: ORNITHISCHIFORMES COOPER, 1985

MAGNORDER: ORNITHISCHIA SEELEY, 1888

SUPERORDER: NEORNITHISCHIA COOPER, 1985

GRANDORDER: ORNITHOPODA MARSH, 1871

MICRORDER: EUORNITHOPODA SERENO, 1986

ORDER: IGUANODONTIA DOLLO, 1888

SUBORDER: ANKYLOPOLLEXIA SERENO, 1986

INFRAORDER: STYRACOSTERNA SERENO, 1986

PARVORDER: HADROSAURIFORMES SERENO, 1997

SUPERFAMILY: HADROSAUROIDEA COPE, 1869 (SENSU SERENO, 1986)

Family: HADROSAURIDAE COPE, 1869

Subfamily: LAMBEOSAURINAE Parks, 1923

Tribe: CORYTHOSAURINI Brett-Surman vide Chapman & Brett-Surman, 1990

Lambeosaurus sp

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